Mercurial > mercurial > hgweb_ai.cgi
comparison eview.go @ 1:c32b619844ba default tip
add eview.go.
author | pyon@macmini |
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date | Sun, 17 Sep 2017 14:33:27 +0900 |
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0:43e580fa4719 | 1:c32b619844ba |
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1 package main | |
2 | |
3 import ( | |
4 "bufio" | |
5 "flag" | |
6 "fmt" | |
7 "io/ioutil" | |
8 "log" | |
9 "os" | |
10 "sort" | |
11 "strings" | |
12 ) | |
13 | |
14 var n int | |
15 var dir string | |
16 func init() { | |
17 flag.IntVar( &n, "n", 20, "print top N" ) | |
18 flag.StringVar( &dir, "d", "data", "directory" ) | |
19 } | |
20 | |
21 func main() { | |
22 flag.Parse() | |
23 | |
24 files, err := ioutil.ReadDir( dir ) | |
25 if err != nil { | |
26 log.Fatal( err ) | |
27 } | |
28 | |
29 var ea []string | |
30 for _, file := range files { | |
31 if strings.HasPrefix( file.Name(), "m" ) { | |
32 f, err := os.Open( dir + "/" + file.Name() ) | |
33 if err != nil { | |
34 log.Fatal( err ) | |
35 } | |
36 | |
37 scanner := bufio.NewScanner( f ) | |
38 for scanner.Scan() { | |
39 if ! strings.HasPrefix( scanner.Text(), "ea = 9999.99" ) { | |
40 ea = append( ea, scanner.Text() ) | |
41 } | |
42 } | |
43 f.Close() | |
44 } | |
45 } | |
46 | |
47 sort.Strings( ea ) | |
48 for i, e := range ea { | |
49 if i > n - 1 { | |
50 break | |
51 } | |
52 fmt.Println( e ) | |
53 } | |
54 } |